Dana 44 Nitro Girdle Diff Cover

Price $238.33
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Dana 44, 10 bolt Nitro Finned-Aluminum Increased-Capacity, Diff Cover

Nitro Aluminum differential covers are extremely thick and have been thoroughly tested in Moab, King of Hammers, and numerous other locations, proving they will handle the rocks, roots, stumps, and anything else you can throw at them. Finned aluminum dissipates heat faster than steel reducing the operating temperature inside your differential and extending the life of your components. Aluminum can't rust and a Nitro aluminum differential cover will keep your undercarriage looking great all year round. Our wide selection of available covers makes it possible to equip both the front and rear differentials with Nitro covers on many vehicles.


  • Girdle covers increase the overall strength of your differential by reinforcing the main bearing caps with the incorporated load bolts.
  • Made from 356 aircraft grade aluminum for durability and strength.
  • Heat treated to T6 specifications and stress relieved.
  • Machined using a 3 step CNC process ensuring accuracy and quality.
  • Each cover is inspected, de-burred and assembled by hand before be packaged.
  • All Girdles incorporate a Fill Port and a Drain Port for ease of servicing.
  • Average increase fluid capacity by approximately 1/2 pint.
  • Lowers the operating temperature of your differential by approximately 15 degrees.
  • The average weight of a Nitro differential Girdle cover is about 7 pounds, larger covers will weigh more.
  • Made in the USA.


Differential: Dana 44

Material: 356-T6 Aircraft Grade Aluminum

Differential Bolts: 10 included

Manufacturer: Nitro Gear & Axle

Warranty: 1 year*


1960-1972 GMC K15/ K1500 1/2 Ton 4WD

1966-1980 GMC K25/ K2500 3/4 Ton 4WD

1960-1980 GMC Suburban 1/2 Ton

1960-1980 GMC Suburban 3/4 Ton

1968-1971 International Scout 800

1971-1980 International Scout II

1993-1997 Isuzu Rodeo

1986-1993 Jeep Cherokee XJ

1987-1993 Jeep Cherokee XJ Sport

1960-1983 Jeep CJ5

1966-1975 Jeep CJ6

1986-1986 Jeep CJ7

1981-1986 Jeep CJ8

1985-1992 Jeep Comanche (1985-1992)

1966-1973 Jeep Commando

1984-1991 Jeep Grand Wagoneer

1967-1988 Jeep J10

1971-1992 Jeep Wagoneer

1997-2006 Jeep Wrangler TJ non-Rubicon


*All Nitro Gear & Axle brand products are warrantied to be free of manufacturer defects for the specified period. Warranty requests must be made by the original purchaser and submitted by the dealer purchased from. Any parts sent for warranty consideration must be pre-approved and shipped prepaid freight to our facility with copy of RGA for our inspection & determination. We will not pay for labor, shipping cost, loss of revenue or perishable goods, commercial losses, costs of telephone calls, shipping or general inconvenience. This is our only warranty expressed or implied. Unauthorized warranty returns may be refused. Warranty generally covers MFG defects in material or workmanship. Abuse, overloading, improper lubrication, misuse, commercial or competition use voids warranty. Normal characteristics are not warrantable, such as Gear whine. Minor cosmetic flaws, dings, burrs from shipping or manufacturing, are not considered defect, it is installer responsibility to address these at time of install. Customer is responsible for shipping charges if warranty is granted. Warranty is for the original purchaser/user, is not transferable. Warranty covers one replacement or credit solely at our discretion. Warranty determinations are at our sole discretion.

In addition to the above conditions, see special notes for these products:

Ring & Pinion - Warrantied against manufacturing defects. 2 years from date of purchase. Must provide set-up specs.

Chromoly front Axles, Excalibur Joints, 30/30 Birfield kits - Warrantied against manufacturing defects for the life of the vehicle. These products are also covered for Breakage. The Shaft / joint must be BROKEN. Wear, twisting, bending are not warrantable. Damages caused by failure of other parts are not warrantable, for example broken U-joint (other than Nitro Excalibur) causing damage to Axle ears.

Rear Chromoly Axles - Warrantied against manufacturing defects for 5 years. These products are also covered for Breakage. The Shaft must be BROKEN. Worn, twisted, or bent axles are not warrantable.


This product can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to: www.P65Warnings.ca.gov

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